is a species of the class Hydrozoa (Hydralike Animals) in the family Stylasteridae (Hydrocorals) and order Anthoathecatae (Athecate Hydroids).
Pliobothrus echinatus
Pliobothrus fistulosus
Pliobothrus gracilis
Pliobothrus spinosus
Pliobothrus symmetricus
Pliobothrus tubulatus